Of the following, which has the textbook identified as a problem for the future of administering public opinion surveys by telephone?
a. declining utility rates
b. rising rates of survey completion
c. rising reliance on cell phones to the exclusion of land lines
d. rising tendency of people to hold extreme positions
Question 2
Spending in state gubernatorial campaigns has decreased considerably in the past 25 years.
Indicate whether this statement is true or false.
